It’s birthday time, and your special girl deserves an equally special party! We’ve gathered 10 whimsical and fun birthday party themes to ring in her big day—and to celebrate a milestone that’s just as much about you, too. Whether you’re looking for something rustic and cozy or bright and sparkly, read on for tons of party inspiration to make the day memorable.

Hot Air Balloon Party

To evoke the sentiment that “Time flies when you’re having fun,” bring in the whimsical imagery of hot air balloons! This largely DIY celebration from Style Your Senses has a frame-worthy hot-air balloon guest book (with guests’ fingerprints showering the page as colorful ink “balloons”), papier mâché hot air balloons dotting the ceiling, and the sweetest pastel and gold invitations.

What are your favorite first birthday party themes? Let us know in the comments!

— Katie Brown